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Price: $16.75
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For Manual only. Will not fit automatic.Some applications use (2) of the same Oxygen Sensors Upstream and Downstream
Upstream location is between the catalytic converter and the engine
Downstream location is between the catalytic converter and the tailpipe
Upstream location is for pre-cat Oxygen Sensors
Downstream location is for post-cat Oxygen Sensors A robust, sturdy oxygen sensor to give you an accurate air/fuel ratio.
All new cars and most cars after 1980 have an oxygen sensor. The O2 sensor is a vital part of the emissions control system that sends data to the engine management computer. The sensor is responsible for helping the engine run as smoothly as possible while also reducing the amount of emissions. The oxygen sensor can be found in the exhaust pipe and will detect rich and lean mixtures. There is a perfect ratio between the rich and lean mixtures, and both extremes will cause engine damage. Insufficient air results in excess fuel after combustion and is commonly known as rich mixture. It is harmful to the environment. Too much air results in excess nitrogen-oxide pollutants, described as lean mixture, which will cause poor engine performance and in some cases damage the engine altogether. The oxygen sensor is thus vital, to give your vehicle an accurate reading of the air:fuel ratio. Compatibility Year Make Model Engine 2000 BMW 323Ci 2.5L 1999-2000 BMW 323i 2.5L 2001-2003 BMW 325Ci 2.5L 2001-2003 BMW 325i 2.5L 2001-2005 BMW 325xi 2.5L 2000 BMW 328Ci 2.8L 1999-2000 BMW 328i 2.8L 2001-2003 BMW 330Ci 3.0L 2001-2003 BMW 330i 3.0L 2001-2005 BMW 330xi 3.0L 2001-2003 BMW 525i 2.5L 1999-2000 BMW 528i 2.8L 2001-2003 BMW 530i 3.0L 2004-2005 BMW X3 2.5L 2001-2006 BMW X5 3.0L 1999-2002 BMW Z3 2.5L 1998-2000 BMW Z3 2.8L 2001-2002 BMW Z3 3.0L 2003-2005 BMW Z4 2.5L 2003-2005 BMW Z4 3.0L 2003-2005 Land Rover Range Rover 4.4L
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Customer satisfaction guaranteed. On Sep-05-16 at 23:09:09 PDT, seller added the following information: